$.fn.selectdate = function(){


			var postdata = {
	            act_id:9,
	        }
			//获取所有活动的年份
			$.post(url1,postdata,function(data){
	            if(data.message == 'success'){
	            	var year = data.success;
	            	var yearsel = document.getelementbyid('year');
					//获取年份
	            	$.each(year,function(index,value){
				        var yearopt = document.createelement('option');
				        yearopt.value = value;
				        yearopt.innerhtml =value+' 年';
				        yearsel.appendchild(yearopt);
				    });
	            }
	        },'json');
			
	        //根据年份筛选活动
	        $("#year").change(function(event){
				if(!$("#year option:selected").val()) return;
				var year = $("#year option:selected").val();

				//获取所有活动
				if(year =='allactivity'){
					 var postdata = {
			            act_id:9
			         }
					 getallact(postdata);   //调用获取全部活动的方法
				}else{
					 console.log(year);
					 //根据年份筛选活动：
					 var postdata = {
			            act_id:9,
			            year:year,
			        }
					 getactbyyear(postdata);  //调用获取该年的活动

					//动态获取月份
			        $.post(url2,postdata,function(data){
			            if(data.message == 'success'){
			            	var month = data.success;
							var monthsel = $('#month');
							var sv = $("#month option:selected").val();
							var html = '';
								html += '<option value="allyearactivity">选择月份</option>';
							for(i=0; i<month.length; i++){
								if(sv == month[i]){
		            				html += '<option value="'+month[i]+'" selected="selected">'+month[i]+' 月'+'</option>';
								}else{
		            				html += '<option value="'+month[i]+'">'+month[i]+' 月'+'</option>';								
								}

							}
						    monthsel.html(html);
			            }
			        });
				}
				 

			});
			//根据年-月，筛选活动
			$("#month").change(function(){
				var year = $("#year option:selected").val();
				var month = $("#month option:selected").val();

				if(month =='allyearactivity'){
					var postdata = {
				            act_id:9,
				            year:year,
				        }
					getactbyyear(postdata);
				}else{
					console.log(year+month);
					var postdata = {
			            act_id:9,
			            year:year,
			            month:month,
			        }
					getactbymonth(postdata); //获取月份下的活动
				}
				
			});
	        function addoption(num,unit,parent){
				//num：选项个数
				//unit：单位（年/月/日）
				//parent：父对象
				for(var index=1;index <= num;index++){
					var opt =document.createelement('option')
					$(opt).attr('value',index)
					if(index<10){index = '0'+index}
					$(opt).html(index+unit)
					$(parent).append(opt)
				}
			}
			function removeoption(parent){
				//parent：父对象
				var options = $(parent).find('option')
				for(var index = 1;index < options.length;index++){
					parent.removechild(options[index])
				}
			}

			/**
			 * 以下三个主要！
			 */
			//获取所有活动
			function getallact(postdata){
				 $.post(url5,postdata,function(data){
		            if(data.message == 'success'){
		            	var result = data.success.row;
		            	var activity_tmpl = dot.template($("#activity_tmpl").text());
		            	 $(".activity-content-wrapper").html(activity_tmpl(result));
		            	 // $('#count').html(total);
		            	 // $('#curpage').html(curpage);
		            	    title_change();
		            		openpopup();
		            }
		        });
				 $('#month').html('<option value="allyearactivity">选择月份</option>');
			}
			//传入年份，获取该年的活动
			function getactbyyear(postdata){
		        //获取年份下的活动
				$.post(url3,postdata,function(data){
		            if(data.message == 'success'){
		            	var result = data.success.row;
		            	var activity_tmpl = dot.template($("#activity_tmpl").text());
		            	 $(".activity-content-wrapper").html(activity_tmpl(result));
		            	 // $('#count').html(total);
		            	 // $('#curpage').html(curpage);
		            	title_change();
		            	openpopup();
		            }
		        });
			}
			/**
			 * 获取月份下的活动
			 * @author guangyun song
			 */
			function getactbymonth(postdata){
				 $.post(url4,postdata,function(data){
		            if(data.message == 'success'){
		            	var result = data.success.row;
		            	var activity_tmpl = dot.template($("#activity_tmpl").text());
		            	 $(".activity-content-wrapper").html(activity_tmpl(result));
		            	 /*$('#count').html(total);
		            	 $('#curpage').html(curpage);*/
		            	title_change();
		            	openpopup();
		            }
		        });
			}

		}